Abstract
One of the key issue of the lithium-ion battery technology is the development of a practical cathode material from the view points of performance and cost [1]. Spinel lithium manganese oxides as 4-volt cathodes in high energy density lithium batteries are potentially attractive because of their low cost and low toxtcity [2–8]. Therefore the LiMn2O4 spinel samples were subjected to different physicochemical studies to obtain various parameters, which help to evaluate its suitability as a battery material. The structural and electrochemical properties of spinel-related MnO2, usually described by LiMn2O4 have been widely investigated, but few works are concerned with the electrical properties of LiMn2O4 [9]. It is generally accepted that the conduction mechanism in transition metal oxides occurs by the hopping of electrons between two localized states located in the band gap [10]. The presence of Mn4+ and Mn3+ ions in LiMn2O4 is a prerequisite for semiconductivity [11].
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Gendron, F., Julien, C. (2000). ESR Studies of Cathode Materials with Spinel Structure. In: Julien, C., Stoynov, Z. (eds) Materials for Lithium-Ion Batteries. NATO Science Series, vol 85. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-4333-2_37
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DOI: https://doi.org/10.1007/978-94-011-4333-2_37
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